how to increase sale of worldspace sattelite radio

Now Kokatta has many FM radio channels . And Radio listeners get every type of music & information from the local FM . it is quite difficult to increase the sales of satellite radios . worldspace has only a few radio models for the common people . And most of the common people donot like paying the annual / monthly fees to listen to the radio . common people need a small radio to take with them for the entertainment . They cannot just sit before a fixed radio ...